Slobodan Kovacevic, Developer in Novi Sad, Vojvodina, Serbia

Slobodan Kovacevic

Software Developer

Location
Novi Sad, Vojvodina, Serbia
Toptal Member Since
January 15, 2014

Slobodan is a senior web developer and programmer with over a decade of experience working on the web. He is passionate about Ruby and Ruby on Rails. He can work in different roles, ranging from an individual developer to tech lead and project manager.

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Portfolio

AxiomQ
Amazon Web Services (AWS), PostgreSQL, Heroku, Amazon S3 (AWS S3)...
Orange Iceberg
Amazon Web Services (AWS), Heroku, Amazon S3 (AWS S3), Ruby on Rails (RoR), Ruby
Earth.org GmbH
Ruby on Rails (RoR), Ruby

Experience

Agile Software Development - 15 yearsRuby on Rails (RoR) - 11 yearsRuby - 11 yearsAmazon Web Services (AWS) - 7 yearsHeroku - 7 yearsContinuous Integration (CI) - 7 yearsEmber.js - 3 yearsGo - 1 year

Location

Novi Sad, Vojvodina, Serbia

Availability

Part-time

Preferred Environment

Vi, Git, MacOS

The most amazing...

...thing I've done is refactor an existing app achieving 10x speed-up.

Work Experience

2017 - PRESENT

Director of Engineering

AxiomQ
  • Grew a team of Ruby developers.
  • Mentored new developers.
  • Provided tech guidance.
  • Managed different projects.
Technologies: Amazon Web Services (AWS), PostgreSQL, Heroku, Amazon S3 (AWS S3), Ruby on Rails (RoR), Ruby
2014 - 2017

Lead Developer and Project Manager

Orange Iceberg
  • Built a team of five developers.
  • Mentored junior Ruby developers.
Technologies: Amazon Web Services (AWS), Heroku, Amazon S3 (AWS S3), Ruby on Rails (RoR), Ruby
2012 - 2014

Ruby Developer

Earth.org GmbH
  • Created a JSON service-based architecture for running multiple sites.
  • Refactored most of the existing code.
  • Created a Rails engine with common functionality shared by multiple sites.
  • Streamlined the deployment process.
  • Implemented performance improvements on yoga.info and ayurvedafinder.com.
Technologies: Ruby on Rails (RoR), Ruby
2011 - 2014

Senior Ruby/Rails Engineer

Reciprocity, Inc.
  • Optimized and further developed the Reciprocity gamification app.
  • Worked on a Google sponsored GRC open source project.
  • Implemented a new Refinery-based CMS for sonatype.com.
  • Maintained opower.com.
  • Worked from Google in Mountain View and SF.
Technologies: Amazon Web Services (AWS), Heroku, Amazon S3 (AWS S3), Ruby on Rails (RoR), Ruby
2008 - 2011

Freelance Ruby/Rails Web Developer

Orange Iceberg
  • Freelanced on many different projects.
  • Worked on BlueZeppelin.com, FormaxStore.com, EroticAd.com, and Kaufmax.rs.
Technologies: Amazon Web Services (AWS), Amazon S3 (AWS S3), Heroku, Ruby on Rails (RoR), Ruby
2001 - 2008

CEO, Lead Developer, Co-founder

Array Studio
  • Led a team of developers and designers.
  • Handled project management tasks.
Technologies: PHP, Ruby on Rails (RoR), Ruby

Experience

Yoga.info

Custom-built a CMS with shared functionality and API service for directory style listings for yoga centers. The API service is designed to run multiple content sites through it using a RESTful JSON interface.

Ayurvedafinder.com

Custom-built CMS for directory style listings for ayurveda centers. Uses API service built for yoga.info which is designed to run multiple content sites through it using a RESTful JSON interface.

Opower.com

A custom CMS built for Opower.com allowing the client to change certain parts of public-facing site. I performed maintenance tasks and added new sections.

Sonatype.com

http://www.sonatype.com/
Custom CMS built on top of Refinery CMS platform. It also has custom Refinery extensions for shopping cart, payment processing through PayPal (PayPal express and PayPal advanced payments [on-site]) and several third-party service integrations (such as Oracle's Eloqua).

Bluezeppelin.com

http://bluezeppelin.com/
An artist community and online gallery space. It enables artists to create their online galleries, choose between different templates, upload artwork, comment on artwork, and interact with other artists and visitors.

Formaxstore.com

http://formaxstore.com/
An online shop for fishing equipment. Custom-built from the ground up with product catalog, integration with warehouse software (for stock levels), customer registration system, and different payment methods (online through local card processing bank and offline transfers).

Skills

Languages

Ruby, Sass, Haml, SQL, CSS, HTML, JavaScript, PHP, Go

Frameworks

Ruby on Rails (RoR), Bootstrap, Ember.js

Libraries/APIs

Devise, PayPal API, jQuery, Amazon API, Twitter API, jQuery UI

Tools

Jekyll, Git, GitHub Pages, GitHub, AWS IAM, Amazon Simple Email Service (SES), Amazon CloudFront CDN, Vim Text Editor, MacVim

Paradigms

Object-oriented Programming (OOP), Model View Controller (MVC), Agile Software Development, Continuous Integration (CI), Test-driven Development (TDD)

Platforms

MacOS, Heroku, Amazon EC2, Amazon Web Services (AWS), Ubuntu, Linux

Storage

MySQL, Amazon S3 (AWS S3), SQLite, PostgreSQL, Redis, MongoDB, Memcached, NoSQL

Other

PayPal, Machine Learning, Vi